# Trayzero vs Onda

The clearest difference is update cadence: Onda at every 4 days against Trayzero's monthly. Trayzero's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Trayzero sells 4 in-app purchases, starting at $0.99 per month and Onda sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Trayzero ships an update monthly, Onda every 4 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Trayzero | Onda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trayzero/id6771756447/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 39 MB | 39 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [Feipeng Liu](https://appshunter.io/developer/1891204520) | [JTR Labs LLC](https://appshunter.io/developer/1892768253) |

## What reviewers say

### Trayzero

[App page](https://appshunter.io/ios/app/trayzero/id6771756447)

This app implements David Allen's Getting Things Done (GTD) methodology for task management. It offers a streamlined inbox, clarification flow, and organization into canonical GTD lists. Features include reminders, voice capture, and on-device data storage for enhanced privacy.

**Highlights:** GTD inbox and capture, Clarify flow for processing tasks, Organize into GTD lists, Weekly Review wizard, Engage tab by context/energy/time, On-device data storage, Voice and photo capture

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter (Monthly) | $0.99 | per month |
| Supporter (Yearly) | $7.99 | per year |
| Small Tip | $1.99 | one-time |
| Large Tip | $9.99 | one-time |


### Onda

[App page](https://appshunter.io/ios/app/onda-private-local-ai/id6785575567)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onda Pro Monthly | $4.99 | per month |
| Onda Pro Annual | $29.99 | per year |
| Onda Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Trayzero free?

Trayzero is free to download, with in-app purchases available.

### Is Onda free?

Onda is free to download, with in-app purchases available.

### Do Trayzero or Onda have ads?

Neither Trayzero nor Onda shows ads.

### Which is updated more often, Trayzero or Onda?

Trayzero ships an update monthly, and Onda every 4 days. Most recently, Trayzero was updated on October 24, 2026 and Onda on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*